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2650R, 2" LTs & off-road just WAY too loud for me, solution.
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11-08-2022, 04:40 PM
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DangerZL1
Drives: 2023 Black ZL1 Auto
Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,935
What brand of high flow cats? I’ve followed a lot of posts where everything failed but the newer GESI cats.
DangerZL1
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